Exposure
ID
GRAVI.2023-05-24T00:13:49.328_1
Header ID
GRAVI.2023-05-24T00:13:49.328
Date updated
2023-05-24 00:26:18 UTC+0000
Release date
2023-05-24 00:13:49 UTC+0000
UTC Start
2023-05-24 00:13:49.328
UTC End
2023-05-24 00:19:49.328
MJD Start
60088.0095987
MJD End
60088.0137653667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0038665
Ambient temperature (°C)
12.07
Seeing (arcsec)
0.555
Observation
ID
55561
Category
calibrator
Program ID
111.24JN.002
Program Title
ELUCIDATING THE EVOLUTIONARY CONNECTIONS BETWEEN NITROGEN- AND CARBON-RICH WOLF-RAYET STARS
Program Type
Normal
PI / COI
SANA/ SHENAR/ BODENSTEINER/ BORDIER/ DSILVA/ FROST/ LANGER/ LE BOUQUIN/ MAHY/ MÉRAND/ PATRICK/ REGGIANI/ TRAMPER/ VILLASEÑOR
Target
ID
41142
Name
HD_75027
RA
131.430344
DEC
-46.85858
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.3540 88.1500 146.7000 148.1000
A0-J2 116.0120 115.1490 126.7000 128.2000
A0-K0 103.6550 102.2720 103.9100 105.2640
G1-J2 44.6940 43.9870 84.3000 85.4000
G1-K0 71.5080 70.7370 46.8150 47.3920
J2-K0 45.1490 45.0890 9.7750 10.5010
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60088.0095987
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_75027
HIERARCH ESO INS SOBJ NAME HD_75027
RA 131.430344
DEC -46.85858
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 88.354
HIERARCH ESO ISS PBL12 END 88.15
HIERARCH ESO ISS PBLA12 START 146.7
HIERARCH ESO ISS PBLA12 END 148.1
HIERARCH ESO ISS PBL13 START 116.012
HIERARCH ESO ISS PBL13 END 115.149
HIERARCH ESO ISS PBLA13 START 126.7
HIERARCH ESO ISS PBLA13 END 128.2
HIERARCH ESO ISS PBL14 START 103.655
HIERARCH ESO ISS PBL14 END 102.272
HIERARCH ESO ISS PBLA14 START 103.91
HIERARCH ESO ISS PBLA14 END 105.264
HIERARCH ESO ISS PBL23 START 44.694
HIERARCH ESO ISS PBL23 END 43.987
HIERARCH ESO ISS PBLA23 START 84.3
HIERARCH ESO ISS PBLA23 END 85.4
HIERARCH ESO ISS PBL24 START 71.508
HIERARCH ESO ISS PBL24 END 70.737
HIERARCH ESO ISS PBLA24 START 46.815
HIERARCH ESO ISS PBLA24 END 47.392
HIERARCH ESO ISS PBL34 START 45.149
HIERARCH ESO ISS PBL34 END 45.089
HIERARCH ESO ISS PBLA34 START 9.775
HIERARCH ESO ISS PBLA34 END 10.501
HIERARCH ESO ISS AMBI TAU0 START 0.003485
HIERARCH ESO ISS AMBI TAU0 END 0.004248
HIERARCH ESO ISS AMBI TEMP 12.07
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.54